Its new results show more positrons than expected.

最新观测结果显示，这些粒子带的正电子要比想象的多。

It begins to decay and emit positrons, aka, anti electrons.

它开始衰变并释放正电子，也是反电子。

Thus, humanity recognized the positron, a positively charged copy of the electron.

因此，人到了正电子，一种带正电的电子拷贝。

The positron cannon is ready to fire.

正电子炮准备好了。

I'm sorry, we have a positron cannon?

抱歉 我还有正电子炮？

A positron for example is just like an electron but it has positive charge.

比如一正电子，是一电子，但是带有一单位正电荷。

And when an electron and a positron or a proton and antiproton meet, they annihilate.

当一电子与正电子相遇，或者一质子与反质子相遇，它抵消。

The collision first forms a neutron, and then a positron.

碰撞首先生成一中子，然后生成一正电子。

The positron cannon is ready to fire, and you're safe.

正电子炮已准备好开火 你安全了。

One possible explanation is that these excess positrons are a by-product of dark matter interactions.

这些多余的正电子是暗物质间相互作用的副产物。

When electrons collide with the foil, positrons are formed in the flow.

当电子与金属箔相撞时，正电子在流动中形成。

Next, a magnet comes into play and spreads positrons and electrons in different directions.

接下来，一磁铁开始发挥作用，把正电子和电子分散到不同的方向。

The positron then immediately finds an electron, the two annihilate making a tiny flash of light, a photon.

正电子马上找到一电子，这两湮灭时产生光子的微小闪光。

These may be an electron and its antimatter equivalent, a positron, or two heavier leptons, a muon and an antimuon.

它可能是一电子和它的反物质等价物，一正电子，或者两更重的轻子，一介子和一反介子。

This fusion of particles releases a positron and some heat energy in the process.

粒子的这种融合在此过程中释放出正电子和一些热能。

He had done research on positivism and he knew the positron.

他对实证主义有研究。他知道正电子。

Within the limits of accuracy of the experiment, positron spin-flipping seems to happen at the same frequency as electron spin-flipping.

在实验精度可以达到的范围内，正电子的自旋反转似乎与电子的自旋反转发生在同一微波频率上。

So what? His observation of highenergy positrons has provided the first conclusive evidence for the existence of galactic dark matter.

怎么样？他对高能正点子的观察报告首次确切证明了银河暗物质的存在。

Positrons are essentially electrons with positive charge.

正电子本质上是带正电荷的电子。

The isotopes used in PET decay by positron emission.

PET 中使用的同位素通过正电子发射衰变。